Hi Vina, like RafaMemphis,I want my controller activate the water pump when the water reached in the upper sensor and switch off when the water drops to lower sensor. How would I do that?thanks,Jack

Hi Vina, like RafaMemphis vina1991vina1991,I want my controller activate the water pump when the water reached in the upper sensor and switch off when the water drops to lower sensor. How do I do that?thanks,jac